810134676 has 96 divisors (see below), whose sum is σ = 2310228480. Its totient is φ = 243948672.

The previous prime is 810134671. The next prime is 810134683. The reversal of 810134676 is 676431018.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 810134676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810134671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59850 + ... + 72126.

It is an arithmetic number, because the mean of its divisors is an integer number (24064880).

Almost surely, 2^810134676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 810134676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1155114240).

810134676 is an abundant number, since it is smaller than the sum of its proper divisors (1500093804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

810134676 is a wasteful number, since it uses less digits than its factorization.

810134676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12350 (or 12342 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 810134676 is about 28462.8648593215. The cubic root of 810134676 is about 932.2214118423.

The spelling of 810134676 in words is "eight hundred ten million, one hundred thirty-four thousand, six hundred seventy-six".